STIEBEL ELTRON SOM 9s - Manual (Page 83)

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SOM 9s
Tank set option
LLOGI / PRIO / OSTS
Tank set option
Selection ON / OFF
Factory setting: OFF
LLOGI / PRIO / TST1
Set temperature tank 1
Adjustment range: 38 ... 185 °F
Factory setting: 110 °F
Additionally, the following options can be activated:
Tank set option OSTS: If the selected priority tank
reaches its set temperature, the subordinate tank will be
loaded until it reaches its set temperature. After that, the
priority tank will be loaded up to its maximum tank tempe-
rature, then the subordinate tank. This function is available
in all 2-tank systems.
LLOGI / PRIO / TST2
Set temperature tank 2
Adjustment range: 38 ... 185 °F
Factory setting: 110 °F
Pause control
This function takes into account the actuation times of
valves and switches on the pump with a delay.
If the pause speed is activated, the relay of the tank which
has been loaded last remains switched on during the loading
break time. Speed is determined by the value adjusted in
nLO.
If the pump delay is activated, the corresponding relay for
the valve will be energized first. The pump(s) will be activa-
ted with the delay time (200s).
LLOGI / PSPEE
Pause speed
Selection: ON / OFF
Factory setting: OFF
LLOGI / PDELA
Pump delay
Selection: ON / OFF
Factory setting: OFF
LLOGI / PRIO / DTSE
Temperature diff. Spreaded
loading
Adjustment range: 40 ... 160 °R
Factory setting: 70 °R
Spreaded loading option
(for PRIO 1, 2, Su 1 or Su 2 only)
Spreaded loading option OSe: In 2-tank systems with 2
pumps, a spreaded loading function can be activated.
As soon as the adjustable spread difference DTSe between
the collector and the priority tank is reached, the second
tank will be loaded in parallel unless it is blocked. If the
temperature difference falls by 4 °R below DTSe, the pump
is switched off.
The collector temperature has to be higher than the tank
temperature.
LLOGI / PRIO / OSE
Spreaded loading option
Selection: ON / OFF
Factorsy setting: OFF
note:
In systems with pump logic, the parameter
PDeLA is not available.